{$IFNDEF _DSTL_INC_}
{$DEFINE _DSTL_INC_}

{$IF NOT (DEFINED(VER210) OR DEFINED(VER220) OR DEFINED(VER230))}
{$ERROR "Delphi Standard Template library only supports Delphi 2010 or later."}
{$IFEND}

{$IF DEFINED(VER210)}
{$DEFINE DELPHI_XE}
{$IFEND}

{$ENDIF}